fig29.m

realize analysis and design for computer-controlled system

% Generates Fig 2.9 
% Computer Controlled Systems (3rd ed)
% Author: B. Wittenmark
% Last edit: 1997-06-27
% Copyright (c) 1996 by K. J. 舠tr鰉, B. Wittenmark and
% Department of Automatic Control, Lund Institute of
% Technology, Lund, Sweden

newplot;
set(gcf,'PaperUnits','centimeters','PaperPosition',[2 2 13 15])
set(gcf,'Units','centimeters','position',get(gcf,'PaperPosition'))

Ms=7;
clf;
opt=simset('Outputpoints','specified');
%
h=1;
[t,x,y]=sim('block29',[0:h:7.5],opt);
subplot(5,2,1)
hpl=plot(t,y(:,1),'m.');
%title(['Fig 2.9']);
axis([0,7.5,-1.2,1.2]);
set(gca,'Fontsize',9,'Fontname','NewCenturySchlbk');
set(gca,'xtick',[0 5],'ytick',[-1 0 1]);
set(hpl,'MarkerSize',Ms)
text(-1.7,1.1,'(a)','fontname','NewCenturySchlbk','fontsize',9)
drawnow;
%
subplot(5,2,2)
hpl=plot(t,y(:,2),'m.');
axis([0,7.5,0,1.3]);
set(gca,'Fontsize',9,'Fontname','NewCenturySchlbk');
set(gca,'xtick',[0 5],'ytick',[0 1]);
set(hpl,'MarkerSize',Ms)
drawnow;

%
h=0.5;
[t,x,y]=sim('block29',[0:h:7.5],opt);
subplot(5,2,3)
hpl=plot(t,y(:,1),'m.');
axis([0,7.5,-1.2,1.2]);
set(gca,'Fontsize',9,'Fontname','NewCenturySchlbk');
set(gca,'xtick',[0 5],'ytick',[-1 0 1]);
set(hpl,'MarkerSize',Ms)
text(-1.7,1.1,'(b)','fontname','NewCenturySchlbk','fontsize',9)
drawnow;
%
subplot(5,2,4)
hpl=plot(t,y(:,2),'m.');
axis([0,7.5,0,1.3]);
set(gca,'Fontsize',9,'Fontname','NewCenturySchlbk');
set(gca,'xtick',[0 5],'ytick',[0 1]);
set(hpl,'MarkerSize',Ms)
drawnow;
%
h=0.25;
[t,x,y]=sim('block29',[0:h:7.5],opt);
subplot(5,2,5)
hpl=plot(t,y(:,1),'m.');
axis([0,7.5,-1.2,1.2]);
set(gca,'Fontsize',9,'Fontname','NewCenturySchlbk');
set(gca,'xtick',[0 5],'ytick',[-1 0 1]);
set(hpl,'MarkerSize',Ms)
text(-1.7,1.1,'(c)','fontname','NewCenturySchlbk','fontsize',9)
drawnow;
%
subplot(5,2,6)
hpl=plot(t,y(:,2),'m.');
axis([0,7.5,0,1.3]);
set(gca,'Fontsize',9,'Fontname','NewCenturySchlbk');
set(gca,'xtick',[0 5],'ytick',[0 1]);
set(hpl,'MarkerSize',Ms)
drawnow;
%
h=0.125;
[t,x,y]=sim('block29',[0:h:7.5],opt);
subplot(5,2,7)
hpl=plot(t,y(:,1),'m.');
axis([0,7.5,-1.2,1.2]);
set(gca,'Fontsize',9,'Fontname','NewCenturySchlbk');
set(gca,'xtick',[0 5],'ytick',[-1 0 1]);
set(hpl,'MarkerSize',Ms)
text(-1.7,1.1,'(d)','fontname','NewCenturySchlbk','fontsize',9)
xlabel('Time','Fontsize',9,'Fontname','NewCenturySchlbk')
drawnow;
%
subplot(5,2,8)
hpl=plot(t,y(:,2),'m.');
axis([0,7.5,0,1.3]);
set(gca,'Fontsize',9,'Fontname','NewCenturySchlbk');
set(gca,'xtick',[0 5],'ytick',[0 1]);
set(hpl,'MarkerSize',Ms)
xlabel('Time','Fontsize',9,'Fontname','NewCenturySchlbk')
drawnow;
grid on

%